WO2011126328A3 - 이미지 센서에서 발생되는 잡음을 제거하기 위한 장치 및 방법 - Google Patents

이미지 센서에서 발생되는 잡음을 제거하기 위한 장치 및 방법 Download PDF

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Publication number
WO2011126328A3
WO2011126328A3 PCT/KR2011/002460 KR2011002460W WO2011126328A3 WO 2011126328 A3 WO2011126328 A3 WO 2011126328A3 KR 2011002460 W KR2011002460 W KR 2011002460W WO 2011126328 A3 WO2011126328 A3 WO 2011126328A3
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WO
WIPO (PCT)
Prior art keywords
area
noise
image sensor
removing noise
noise generated
Prior art date
Application number
PCT/KR2011/002460
Other languages
English (en)
French (fr)
Other versions
WO2011126328A2 (ko
Inventor
박민규
송한새
박희찬
윤영권
이용구
Original Assignee
삼성전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to US13/640,253 priority Critical patent/US9088685B2/en
Priority to EP11766179.3A priority patent/EP2557798A4/en
Publication of WO2011126328A2 publication Critical patent/WO2011126328A2/ko
Publication of WO2011126328A3 publication Critical patent/WO2011126328A3/ko

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Classifications

    • G06T5/70—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
    • H04N23/12—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths with one sensor only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
    • H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
    • H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
    • H04N25/134—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on three different wavelength filter elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image

Abstract

본 발명은 이미지 센서의 잡음을 효율적으로 제거하기 위한 방법을 제안한다. 이를 위해 본 발명은 베이어 패턴의 입력 영상에 대해 에지 영역, 감도차 발생 영역, 패턴 영역으로 구분한 후, 구분된 영역별로 서로 다른 잡음 제거 방법을 적용한다. 이렇게 함으로써 영역별로 적응적으로 잡음을 제거할 수 있어 효율적으로 잡음을 제거할 수 있게 된다. 또한 Gr과 Gb 간의 감도 차이를 고려함으로써 해상도 향상의 효과가 있다.
PCT/KR2011/002460 2010-04-07 2011-04-07 이미지 센서에서 발생되는 잡음을 제거하기 위한 장치 및 방법 WO2011126328A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US13/640,253 US9088685B2 (en) 2010-04-07 2011-04-07 Apparatus and method for removing noise generated from image sensor
EP11766179.3A EP2557798A4 (en) 2010-04-07 2011-04-07 DEVICE AND METHOD FOR REDUCING THE NOISE GENERATED BY A PICTOR SENSOR

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100031821A KR101665137B1 (ko) 2010-04-07 2010-04-07 이미지 센서에서 발생되는 잡음을 제거하기 위한 장치 및 방법
KR10-2010-0031821 2010-04-07

Publications (2)

Publication Number Publication Date
WO2011126328A2 WO2011126328A2 (ko) 2011-10-13
WO2011126328A3 true WO2011126328A3 (ko) 2012-01-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/002460 WO2011126328A2 (ko) 2010-04-07 2011-04-07 이미지 센서에서 발생되는 잡음을 제거하기 위한 장치 및 방법

Country Status (4)

Country Link
US (1) US9088685B2 (ko)
EP (1) EP2557798A4 (ko)
KR (1) KR101665137B1 (ko)
WO (1) WO2011126328A2 (ko)

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KR101361114B1 (ko) * 2012-07-12 2014-02-13 매크로영상기술(주) 디지털 영상을 위한 적응적 잡음 저감 시스템 및 그 방법
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CN106911918B (zh) * 2015-12-23 2018-11-27 展讯通信（上海）有限公司 图像像素校正的方法及装置
KR102194447B1 (ko) * 2019-04-25 2020-12-23 주식회사 포바이포 디지털 영상 노이즈 제거 방법
KR102164998B1 (ko) * 2019-04-25 2020-10-13 주식회사 포바이포 디지털 영상 선예도 강화 방법

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Also Published As

Publication number Publication date
WO2011126328A2 (ko) 2011-10-13
KR101665137B1 (ko) 2016-10-12
EP2557798A2 (en) 2013-02-13
EP2557798A4 (en) 2014-01-22
KR20110112619A (ko) 2011-10-13
US9088685B2 (en) 2015-07-21
US20130027590A1 (en) 2013-01-31

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